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# coding=utf-8
from operator import itemgetter
import socket
import prolog.engine
import prolog.util
from server.hints import Hint, HintPopup
id = 160
number = 65
visible = True
facts = None
solution = '''\
megabytes(SI, IEC) :-
{ SI * 2^20 = IEC * 10^6 }.'''
test_cases = [
('megabytes(12, X), abs(X - 11.444091796875) =< 1e-8',
[{}]),
('megabytes(65, X), abs(X - 61.98883056640625) =< 1e-8',
[{}]),
('megabytes(X, 17), abs(X - 17.825792) =< 1e-8',
[{}]),
('megabytes(X, 47), abs(X - 49.283072) =< 1e-8',
[{}]),
]
def test(code, aux_code):
n_correct = 0
engine_id = None
try:
engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0)
if engine_id is not None and 'error' not in map(itemgetter(0), output):
# Engine successfully created, and no syntax error in program.
for query, answers in test_cases:
if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0):
n_correct += 1
except socket.timeout:
pass
finally:
if engine_id:
prolog.engine.destroy(engine_id)
hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
return n_correct, len(test_cases), hints
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